ReplacementCallbacksTests.php

<?php
/**
 * Class ReplacementCallbacksTestCases
 *
 * @package FaustWP
 */

namespace WPE\FaustWP\Tests\Integration;

use function WPE\FaustWP\Replacement\{content_replacement,
	faustwp_get_wp_site_urls,
	post_preview_link,
	preview_link_in_rest_response,
	image_source_replacement,
	image_source_srcset_replacement,
	post_link};
use function WPE\FaustWP\Settings\faustwp_update_setting;

/**
 * @group replacement-callback
 * @group callback
 */
class ReplacementCallbacksTests extends \WP_UnitTestCase {
	protected $post_id;
	protected $draft_post_id;

	public function setUp(): void {
		parent::setUp();

		$this->post_id = wp_insert_post( [
			'title'        => 'Hello world',
			'post_content' => 'Hi',
			'post_status'  => 'publish',
		] );
		$this->draft_post_id = wp_insert_post( [
			'title'        => 'Hello',
			'post_content' => 'Hi',
			'post_status'  => 'draft',
		] );

	}

	public function test_the_content_filter() {
		$this->assertSame( 10, has_action( 'the_content', 'WPE\FaustWP\Replacement\content_replacement' ) );
	}

	public function test_preview_post_link_filter() {
		$this->assertSame( 1000, has_action( 'preview_post_link', 'WPE\FaustWP\Replacement\post_preview_link' ) );
	}

	public function test_rest_api_init_filter() {
		$this->assertSame( 10, has_action( 'rest_api_init', 'WPE\FaustWP\Replacement\register_preview_link_hooks_for_all_draft_post_types' ) );
		do_action( 'rest_api_init' );
		$this->assertSame( 10, has_action( 'rest_prepare_post', 'WPE\FaustWP\Replacement\preview_link_in_rest_response' ) );
		$this->assertSame( 10, has_action( 'rest_prepare_page', 'WPE\FaustWP\Replacement\preview_link_in_rest_response' ) );
	}

	public function test_post_link_filter() {
		$this->assertSame( 1000, has_action( 'post_link', 'WPE\FaustWP\Replacement\post_link' ) );
	}

	public function test_page_link_filter() {
		$this->assertSame( 1000, has_action( 'page_link', 'WPE\FaustWP\Replacement\post_link' ) );
	}

	public function test_term_link_filter() {
		$this->assertSame( 1000, has_action( 'term_link', 'WPE\FaustWP\Replacement\term_link' ) );
	}

	public function test_post_type_link_filter() {
		$this->assertSame( 1000, has_filter( 'post_type_link', 'WPE\FaustWP\Replacement\post_link' ) );
	}

	public function test_enqueue_preview_scripts_action() {
		$this->assertSame( 10, has_action( 'enqueue_block_editor_assets', 'WPE\FaustWP\Replacement\enqueue_preview_scripts' ) );
	}

	public function test_wp_sitemaps_posts_entry_filter() {
		$this->assertSame( 10, has_action( 'wp_sitemaps_posts_entry', 'WPE\FaustWP\Replacement\sitemaps_posts_entry' ) );
	}

	public function test_wp_sitemaps_taxonomies_entry_filter() {
		$this->assertSame( 10, has_action( 'wp_sitemaps_taxonomies_entry', 'WPE\FaustWP\Replacement\sitemaps_taxonomies_entry' ) );
	}

	public function test_wpseo_xml_sitemap_post_url_filter() {
		$this->assertSame( 10, has_action( 'wpseo_xml_sitemap_post_url', 'WPE\FaustWP\Replacement\yoast_sitemap_post_url' ) );
	}

	public function test_wp_calculate_image_srcset_filter(): void {
		self::assertSame( 10, has_action( 'wp_calculate_image_srcset', 'WPE\FaustWP\Replacement\image_source_srcset_replacement' ) );
	}


	/**
	 * Test to make sure content rep can accept null values
	 */
	public function test_content_replacement_for_different_types() {
		$this->assertNull(content_replacement( null));
		$this->assertEmpty(content_replacement(''));
		$content = '<p>This is a string with no URLs to be replaced.</p>';
		$this->assertEquals($content, content_replacement($content));
	}

	/**
	 * Tests content_replacement() returns original value when content replacement is not enabled.
	 */
	public function test_content_replacement_does_not_filter_content_when_content_replacement_is_not_enabled() {
		$content = '<a href="http://example.org">moo</a>';
		$this->assertSame( $content, content_replacement( $content ) );
	}

	/**
	 * Tests content_replacement() replaces the site_url() value when content replacement is enabled.
	 */
	public function test_content_replacement_filters_content_when_content_replacement_enabled() {
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		add_filter( 'faustwp_domain_replacement_enabled', '__return_true' );
		$this->assertSame( '<a href="http://moo">moo</a>', content_replacement( '<a href="http://example.org">moo</a>' ) );
		faustwp_update_setting( 'frontend_uri', null );
		remove_filter( 'faustwp_domain_replacement_enabled', '__return_true' );
	}

	/**
	 * Tests image_source_replacement() replaces the frontend_uri value when image replacement is enabled.
	 */
	public function test_image_source_replacement_filters_content_when_image_replacement_enabled() {
		faustwp_update_setting( 'frontend_uri', 'http://foo.co' );
		faustwp_update_setting( 'enable_image_source', '1' );
		# Do not replace partial domain match.
		$this->assertSame( '<img src="http://foo.com/image.png">', image_source_replacement( '<img src="http://foo.com/image.png">' ) );
		# Do replace exact domain match
		$this->assertSame( '<img src="http://example.org/image.png">', image_source_replacement( '<img src="http://foo.co/image.png">' ) );
		$this->assertSame( '<img src="http://example.org/image.png">', image_source_replacement( '<img src="/image.png">' ) );
		faustwp_update_setting( 'frontend_uri', null );
		faustwp_update_setting( 'enable_image_source', '0' );
	}

	/**
	 * Tests image_source_srcset_replacement() replaces the frontend_uri value when image replacement is enabled.
	 */
	public function test_image_source_srcset_replacement_filters_content_when_image_replacement_enabled() {
		faustwp_update_setting( 'frontend_uri', 'http://foo.co' );
		faustwp_update_setting( 'enable_image_source', '1' );
		# Do not replace partial domain match.
		# Do replace exact domain match
		$sources = array (
			100 => array('url' => 'http://foo.com/image100.png'),
			300 => array('url' => '/wp-content/uploads/image300.jpg'),
			400 => array('url' => 'http://foo.co/image400.png'),
		);
		$expected = array (
			100 => array('url' => 'http://foo.com/image100.png'),
			300 => array('url' => 'http://example.org/wp-content/uploads/image300.jpg'),
			400 => array('url' => 'http://example.org/image400.png'),
		);
		$this->assertSame( $expected, image_source_srcset_replacement( $sources ) );
		faustwp_update_setting( 'frontend_uri', null );
		faustwp_update_setting( 'enable_image_source', '0' );
	}

	/**
	 * Tests image_source_replacement() doesn't replace when image replacement is not enabled.
	 */
	public function test_image_source_replacement_filters_content_when_image_replacement_not_enabled() {
		faustwp_update_setting( 'enable_image_source', '0' );
		$this->assertSame( '<img src="/image.png">', image_source_replacement( '<img src="/image.png">' ) );

		// Ensure unrelated domains are left alone.
		$this->assertSame( '<img src="http://fake/image.png">', image_source_replacement( '<img src="http://fake/image.png">' ) );
	}

	/**
	 * Tests image_source_srcset_replacement() doesn't replace when image replacement is not enabled.
	 */
	public function test_image_source_srcset_replacement_filters_content_when_image_replacement_not_enabled() {
		faustwp_update_setting( 'enable_image_source', '0' );
		$sources = array (
			100 => array('url' => '/wp-content/uploads/image.jpg'),
		);
		$this->assertSame( $sources, image_source_srcset_replacement( $sources ) );
	}

	/**
	 * Tests get_permalink() returns the original value when content replacement is not enabled.
	 */
	public function test_post_link_returns_unfiltered_link_when_content_replacement_is_not_enabled() {
		$this->assertSame( 'http://example.org/?p=' . $this->post_id, get_permalink( $this->post_id ) );
	}

	/**
	 * Tests get_permalink() returns rewritten value when content replacement is enabled.
	 */
	public function test_post_link_returns_filtered_link_when_content_replacement_is_enabled() {
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_rewrites', '1' );

		$this->assertSame( 'http://moo/?p=' . $this->post_id, get_permalink( $this->post_id ) );
	}

	public function test_post_link_returns_unfiltered_link_when_on_post_new_page(): void {
		global $pagenow;
		$pagenow = 'post-new.php';
		self::assertSame( 'http://example.org/hello-world', post_link( 'http://example.org/hello-world' ) );
	}

	public function test_post_link_returns_unfiltered_link_on_ajax_requests_to_generate_permalinks_using_samplepermalinknonce(): void {
		global $pagenow, $_REQUEST, $_POST;
		$pagenow = 'admin-ajax.php';
		wp_set_current_user( 1 );
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_rewrites', '1' );
		$_REQUEST['samplepermalinknonce'] = wp_create_nonce( 'samplepermalink' );
		$_POST['samplepermalinknonce'] = $_REQUEST['samplepermalinknonce'];

		self::assertSame( 'http://example.org/hello-world', post_link( 'http://example.org/hello-world' ) );

		unset( $_REQUEST['samplepermalinknonce'], $_POST['samplepermalinknonce'] );
		unset( $pagenow );
		wp_set_current_user( null );
	}

	public function test_post_link_returns_unfiltered_link_on_ajax_requests_to_generate_permalinks_using_ajax_linking_nonce(): void {
		global $pagenow, $_POST;
		$pagenow = 'admin-ajax.php';
		wp_set_current_user( 1 );
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_rewrites', '1' );
		add_filter( 'wp_doing_ajax', '__return_true' );
		$_POST['_ajax_linking_nonce'] = wp_create_nonce( 'internal-linking' );
		$_POST['action'] = 'wp-link-ajax';

		self::assertSame( 'http://example.org/hello-world', post_link( 'http://example.org/hello-world' ) );

		unset( $_POST['_ajax_linking_nonce'], $_POST['action'] );
		unset( $pagenow );
		remove_filter( 'wp_doing_ajax', '__return_true' );
		wp_set_current_user( null );
	}

	/**
	 * Tests get_preview_post_link() returns rewritten value.
	 */
	public function test_post_preview_link_returns_filtered_link() {
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_redirects', true );

		$this->assertSame( 'http://moo/?p=' . $this->post_id . '&preview=true&previewPathname=' . rawurlencode( wp_make_link_relative( get_permalink( $this->post_id ) ) ) . '&typeName=Post', get_preview_post_link( $this->post_id ) );
	}

	/**
	 * Tests post_preview_link() adds preview=true when it doesn't already exist.
	 */
	public function test_post_preview_link_adds_preview_true_query_param() {
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_redirects', true );

		$link = post_preview_link( 'http://moo/', get_post( $this->post_id ) );

		$this->assertSame( 'http://moo/?previewPathname=' . rawurlencode( wp_make_link_relative( get_permalink( $this->post_id ) ) ) . '&p=' . $this->post_id . '&preview=true&typeName=Post', $link );
	}

	/**
	 * Tests post_preview_link() doesn't rewrite link if enable redirects is false.
	 */
	public function test_post_preview_doesnt_rewrite_link_with_redirect_off() {
		faustwp_update_setting( 'enable_redirects', false );
		$expected = 'http://moo/?p=' . $this->post_id;
		$link     = post_preview_link( $expected, get_post( $this->post_id ) );

		$this->assertSame( $expected, $link );

		faustwp_update_setting( 'enable_redirects', true );
	}

	/**
	 * Tests post_preview_link() uses frontend_uri scheme if different than home_url scheme.
	 */
	public function test_post_preview_link_uses_frontend_uri_scheme() {

		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		add_filter( 'home_url', [$this, 'get_home_url'] );
		$link = post_preview_link( 'http://moo/', get_post( $this->post_id ) );

		$this->assertStringStartsWith( 'http://', $link );
		remove_filter( 'home_url', [$this, 'get_home_url'] );
	}

	/**
	 * Tests get_preview_post_link() returns rewritten value when content replacement is enabled for Custom Post Types
	 */
	public function test_custom_post_type_post_preview_link_returns_filtered_link_when_content_replacement_is_enabled()
	{
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_rewrites', true );
		faustwp_update_setting( 'enable_redirects', true );
		$post_id = $this->getCustomPostType();
		$this->assertSame( 'http://moo/?document=' . $post_id . '&preview=true&previewPathname=' . rawurlencode( wp_make_link_relative( get_permalink( $post_id ) ) ) . '&p=' . $post_id . '&typeName=Document', get_preview_post_link( $post_id ) );
		faustwp_update_setting( 'frontend_uri', null );
		faustwp_update_setting( 'enable_rewrites', false );
	}

	/**
	 * Tests get_permalink() does not modify original value when content replacement is enabled for Custom Post Types
	 */
	public function test_custom_post_type_post_link_returns_filtered_link_when_content_replacement_is_enabled()
	{
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_rewrites', '1' );
		$post_id = $this->getCustomPostType();
		$this->assertSame( 'http://moo/?document=' . $post_id, get_permalink($post_id) );
		faustwp_update_setting( 'frontend_uri', null );
		faustwp_update_setting( 'enable_redirects', false );
	}

	/**
	 * Tests get_preview_post_link() filters link for post types that are not registered with WP GraphQL.
	 */
	public function test_post_preview_link_filters_link_for_posts_not_registered_with_wpgraphql() {
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_redirects', true );

		register_post_type('notgraphql', ['public' => true]);

		$post_id = wp_insert_post( [
			'title'        => 'Hello world',
			'post_content' => 'Hi',
			'post_status'  => 'publish',
			'post_type'    => 'notgraphql'
		] );

		$this->assertSame( 'http://moo/?notgraphql=' . $post_id . '&preview=true&previewPathname=' . rawurlencode( wp_make_link_relative( get_permalink( $post_id ) ) ) . '&p=' . $post_id, get_preview_post_link( $post_id ) );
	}

	/**
	 * Tests get_term_link() returns original value when term link rewrites are not enabled.
	 */
	public function test_term_link_returns_unfiltered_link_when_rewrite_term_links_is_not_enabled() {
		$this->assertSame( 'http://example.org/?cat=1', get_term_link( 1 ) );
	}

	/**
	 * Tests get_term_link() returns rewritten value when term link rewrites are enabled.
	 */
	public function test_term_link_returns_filtered_link_when_rewrite_term_links_enabled() {
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_rewrites', '1' );
		$term_id = get_terms( [ 'hide_empty' => false, 'fields' => 'ids' ] )[0];
		$this->assertSame( 'http://moo/?cat=' . $term_id, get_term_link( $term_id ) );
	}

	/**
	 * Tests content_replacement() handles mixed content blobs properly.
	 */
	public function test_content_replacement_properly_handles_a_mixed_content_blob() {
		faustwp_update_setting( 'frontend_uri', 'http://moo' );
		faustwp_update_setting( 'enable_image_source', '1' );
		faustwp_update_setting( 'enable_rewrites', '1' );

		$input = <<<INPUT
		<p>This is a <a href="http://example.org/hello-world/" data-type="post" data-id="1">post link</a>.</p><p>This is a <a href="http://example.org/wp-content/uploads/2023/10/out-of-the-tar-pit.pdf" data-type="attachment" data-id="12">media link</a> to a PDF file.</p><p>This is a <a href="http://example.org/wp-content/uploads/2023/10/IMG_8963-scaled.jpg" data-type="attachment" data-id="15">media link</a> to an image.</p>
	INPUT;

		$output = <<<OUTPUT
		<p>This is a <a href="http://moo/hello-world/" data-type="post" data-id="1">post link</a>.</p><p>This is a <a href="http://example.org/wp-content/uploads/2023/10/out-of-the-tar-pit.pdf" data-type="attachment" data-id="12">media link</a> to a PDF file.</p><p>This is a <a href="http://example.org/wp-content/uploads/2023/10/IMG_8963-scaled.jpg" data-type="attachment" data-id="15">media link</a> to an image.</p>
	OUTPUT;

		self::assertSame(
				$output,
				content_replacement( $input )
		);

		// Check that media URLs are rewritten when enable_image_source setting is configured to NOT use the WP domain.
		faustwp_update_setting( 'enable_image_source', '0' );

		$input = <<<INPUT
		<p>This is a <a href="http://example.org/hello-world/" data-type="post" data-id="1">post link</a>.</p><p>This is a <a href="http://example.org/wp-content/uploads/2023/10/out-of-the-tar-pit.pdf" data-type="attachment" data-id="12">media link</a> to a PDF file.</p><p>This is a <a href="http://example.org/wp-content/uploads/2023/10/IMG_8963-scaled.jpg" data-type="attachment" data-id="15">media link</a> to an image.</p>
	INPUT;

		$output = <<<OUTPUT
		<p>This is a <a href="http://moo/hello-world/" data-type="post" data-id="1">post link</a>.</p><p>This is a <a href="http://moo/wp-content/uploads/2023/10/out-of-the-tar-pit.pdf" data-type="attachment" data-id="12">media link</a> to a PDF file.</p><p>This is a <a href="http://moo/wp-content/uploads/2023/10/IMG_8963-scaled.jpg" data-type="attachment" data-id="15">media link</a> to an image.</p>
	OUTPUT;

		self::assertSame(
				$output,
				content_replacement( $input )
		);
	}

	private function getCustomPostType() {
		register_post_type('document', [
			'public' => true,
			'show_in_graphql' => true,
			'graphql_single_name' => 'document',
			'graphql_plural_name' => 'documents',
		]);

		$post_id = wp_insert_post( [
			'title'        => 'Hello world',
			'post_content' => 'Hi',
			'post_status'  => 'publish',
			'post_type'    => 'document',
		] );

		return $post_id;
	}

	public function get_home_url( $url ) {
		return "https://example.com/";
	}

	/**
	 * Test to make sure that site url is replaced for both content and media
	 */
	public function test_content_replacement_for_content_and_media_urls_for_different_http_protocols() {

		$frontend_uri    = 'http://localhost:3000';
		$site_url = site_url();
		$site_url_secure = str_replace('http:', 'https:', $site_url);


		faustwp_update_setting( 'frontend_uri', $frontend_uri );
		faustwp_update_setting( 'enable_rewrites', '1' );
		faustwp_update_setting( 'enable_image_source', '0' );

		$contentExample1 = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$site_url_secure}/hello-world/">Hello World</a>
</p>
HTML;

		$contentExample2 = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$site_url}/hello-world/">Hello World</a>
</p>
HTML;

		$expected_content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$frontend_uri}/hello-world/">Hello World</a>
</p>
HTML;

		$this->assertSame( $expected_content, content_replacement( $contentExample1 ) );
		$this->assertSame( $expected_content, content_replacement( $contentExample2 ) );
	}


	/**
	 * Test to make sure that site url is replaced for just media and not content
	 */
	public function test_content_replacement_for_just_media_urls_for_different_http_protocols() {

		$frontend_uri    = 'http://localhost:3000';
		$site_url = site_url();
		$site_url_secure = str_replace('http:', 'https:', $site_url);

		faustwp_update_setting( 'frontend_uri', $frontend_uri );
		faustwp_update_setting( 'enable_rewrites', '0' );
		faustwp_update_setting( 'enable_image_source', '0' );

		$content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$site_url_secure}/hello-world/">Hello World</a>
</p>
HTML;

		$expected_content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$site_url_secure}/hello-world/">Hello World</a>
</p>
HTML;

		$this->assertSame( $expected_content, content_replacement( $content ) );


		$content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$site_url}/hello-world/">Hello World</a>
</p>
HTML;

		$expected_content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$site_url}/hello-world/">Hello World</a>
</p>
HTML;
		$this->assertSame( $expected_content, content_replacement( $content ) );
	}


	/**
	 * Test to make sure that site url is replaced for just content and not media
	 */
	public function test_content_replacement_for_just_content_urls_for_different_http_protocols() {

		$frontend_uri    = 'http://localhost:3000';
		$site_url = site_url();
		$site_url_secure = str_replace('http:', 'https:', $site_url);

		faustwp_update_setting( 'frontend_uri', $frontend_uri );
		faustwp_update_setting( 'enable_rewrites', '1' );
		faustwp_update_setting( 'enable_image_source', '1' );

		$content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$site_url_secure}/hello-world/">Hello World</a>
</p>
HTML;

		$expected_content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$frontend_uri}/hello-world/">Hello World</a>
</p>
HTML;

		$this->assertSame( $expected_content, content_replacement( $content ) );

		$content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$site_url}/hello-world/">Hello World</a>
</p>
HTML;

		$expected_content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$site_url_secure}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$frontend_uri}/hello-world/">Hello World</a>
</p>
HTML;

		$this->assertSame( $expected_content, content_replacement( $content ) );

	}


	public function test_content_replacement_for_content_and_media_urls_and_add_site_to_available_site_urls() {
		$frontend_uri    = 'http://localhost:3000';
		$site_url = site_url();
		$site_url_secure = str_replace('http:', 'https:', $site_url);
		$additional_site_url = 'https://subdomain.example.org';


		faustwp_update_setting( 'frontend_uri', $frontend_uri );
		faustwp_update_setting( 'enable_rewrites', '1' );
		faustwp_update_setting( 'enable_image_source', '0' );

		add_filter( 'faustwp_get_wp_site_urls', function ( $site_urls ) {
			return array_merge( $site_urls, [ 'https://subdomain.example.org' ] );
		});

		$this->assertSame(faustwp_get_wp_site_urls($site_url), [
			$site_url,
			$site_url_secure,
			'//example.org',
			$additional_site_url
		] );

		$content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$site_url_secure}/hello-world/">Hello World</a>
</p>
<p>Find more information about us <a href="{$additional_site_url}" title="More information">here</a></p>
<p>
	<img class="alignnone size-medium wp-image-10" src="{$additional_site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$additional_site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$additional_site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$site_url}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
</p>
HTML;

		$expected_content = <<<HTML
<p>
	<img class="alignnone size-medium wp-image-10" src="{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
	<a href="{$frontend_uri}/hello-world/">Hello World</a>
</p>
<p>Find more information about us <a href="{$frontend_uri}" title="More information">here</a></p>
<p>
	<img class="alignnone size-medium wp-image-10" src="{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp" srcset=\"{$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-300x155.webp 300w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1-768x397.webp 768w, {$frontend_uri}/wp-content/uploads/sites/2/2024/12/Logo-888x459-1.webp 888w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"  alt="" width="300" height="155" />
</p>
HTML;
		$this->assertSame( $expected_content, content_replacement( $content ) );
	}


	public function test_image_sourceset_replacement_for_different_http_protocols_with_media_replacement_enabled() {

		$frontend_uri    = 'http://localhost:3000';
		$site_url = site_url();
		$site_url_secure = str_replace('http:', 'https:', $site_url);

		faustwp_update_setting( 'frontend_uri', $frontend_uri );
		faustwp_update_setting( 'enable_rewrites', '1' );
		faustwp_update_setting( 'enable_image_source', '0' );

		$sources = array (
			100 => array('url' => $site_url . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp'),
			300 => array('url' => $site_url_secure . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp'),
			400 => array('url' => '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1.webp'),
		);

		$expected = array (
			100 => array('url' => $frontend_uri . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp'),
			300 => array('url' => $frontend_uri . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp'),
			400 => array('url' => $frontend_uri . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1.webp'),
		);

		$this->assertSame( $expected, image_source_srcset_replacement( $sources ) );
	}


	public function test_image_sourceset_replacement_for_different_http_protocols_with_media_replacement_disabled() {

		$frontend_uri    = 'http://localhost:3000';
		$site_url = site_url();
		$site_url_secure = str_replace('http:', 'https:', $site_url);

		faustwp_update_setting( 'frontend_uri', $frontend_uri );
		faustwp_update_setting( 'enable_rewrites', '1' );
		faustwp_update_setting( 'enable_image_source', '1' );

		$sources = array (
			100 => array('url' => $site_url . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp'),
			300 => array('url' => $site_url_secure . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp'),
			400 => array('url' => '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1.webp'),
		);

		$expected = array (
			100 => array('url' => $site_url . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp'),
			300 => array('url' => $site_url_secure . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp'),
			400 => array('url' => $site_url . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1.webp'),
		);

		$this->assertSame( $expected, image_source_srcset_replacement( $sources ) );
	}

	public function test_for_media_when_replacement_is_disabled_and_url_contains_port() {

		$frontend_uri    = 'http://localhost:3000';
		
		update_option('siteurl', 'http://localhost:8881');
		$site_url = site_url();

		faustwp_update_setting( 'frontend_uri', $frontend_uri );		
		faustwp_update_setting( 'enable_image_source', '0' );

		$this->assertSame(  $frontend_uri . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp', content_replacement( $site_url . '/wp-content/uploads/sites/2/2024/12/WP-Engine-Blue-888x459-1-300x155.webp' ) );
	}
	public function test_URL_replacement_is_disabled_and_url_contains_port() {

		$frontend_uri    = 'http://localhost:3000';
		
		update_option('siteurl', 'http://localhost:8881');
		$site_url = site_url();

		faustwp_update_setting( 'frontend_uri', $frontend_uri );
		faustwp_update_setting( 'enable_rewrites', '0' );		

		$this->assertSame(  $frontend_uri . '/sample-page', content_replacement( $site_url . '/sample-page' ) );
	}

}